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Cisco ME 3400 Ethernet Access Switch Command Reference
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Chapter 2 Cisco ME 3400 Ethernet Access Switch Cisco IOS Commands
lacp port-priority
lacp port-priority
Use the lacp port-priority interface configuration command to configure the port priority for the Link
Aggregation Control Protocol (LACP). Use the no form of this command to return to the default setting.
lacp port-priority priority
no lacp port-priority
Note LACP is available only on network node interfaces (NNIs) and enhanced network interfaces (ENIs).
Syntax Description
Defaults The default is 32768.
Command Modes Interface configuration
Command History
Usage Guidelines The lacp port-priority interface configuration command determines which ports are bundled and which
ports are put in hot-standby mode when there are more than eight ports in an LACP channel group. This
command takes effect only on EtherChannel ports that are already configured for LACP. If the interface
is a user network interface (UNI), you must use the port-type nni or port-type eni interface
configuration command to change the interface to an NNI or ENI before configuring lacp port-priority.
In priority comparisons, numerically lower values have higher priority. The switch uses the priority to
decide which ports should be put in standby mode when there is a hardware limitation that prevents all
compatible ports from being active. If two or more ports have the same LACP port priority (for example,
they are configured with the default setting of 65535), an internal value for the port number determines
the priority.
Note The LACP port priorities are only effective if the ports are on the switch that controls the LACP link.
See the
lacp system-priority global configuration command for information about determining which
switch controls the link.
Use the show lacp internal privileged EXEC command to display LACP port priorities and internal port
number values.
For information about configuring LACP on physical ports, see the “Configuring EtherChannels”
chapter in the software configuration guide for this release.
priority Port priority for LACP. The range is 1 to 65535.
Release Modification
12.2(25)EX This command was introduced.
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